16350705623 has 4 divisors (see below), whose sum is σ = 18686520720. Its totient is φ = 14014890528.

The previous prime is 16350705611. The next prime is 16350705647. The reversal of 16350705623 is 32650705361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16350705623 - 2¹⁰ = 16350704599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16350705653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167907538 + ... + 1167907551.

It is an arithmetic number, because the mean of its divisors is an integer number (4671630180).

Almost surely, 2^16350705623 is an apocalyptic number.

16350705623 is a deficient number, since it is larger than the sum of its proper divisors (2335815097).

16350705623 is an equidigital number, since it uses as much as digits as its factorization.

16350705623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335815096.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 16350705623 in words is "sixteen billion, three hundred fifty million, seven hundred five thousand, six hundred twenty-three".